72343720

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2039}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 163036800

約数和(自身を除く): 90693080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 2039, 3548, 4078, 4435, 7096, 8156, 8870, 10195, 16312, 17740, 20390, 35480, 40780, 81560, 1808593, 3617186, 7234372, 9042965, 14468744, 18085930, 36171860, 72343720]

約数ペア:

[(1, 72343720), (2, 36171860), (4, 18085930), (5, 14468744), (8, 9042965), (10, 7234372), (20, 3617186), (40, 1808593), (887, 81560), (1774, 40780), (2039, 35480), (3548, 20390), (4078, 17740), (4435, 16312), (7096, 10195), (8156, 8870)]